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Precision Drill Bits for Industrial Fabrication
HSS options are suitable for daily drilling in steel, aluminum, wood, and plastic.
Suitable for OEM drill bit programs with customized packaging and size selection.
HSS drill bits provide a practical balance of hardness, toughness, and cost.
Stable quality makes the product suitable for repeat wholesale orders.
Trusted by Global Brands
OEM Partner for Industry Leaders
Customization & Packaging
Complete OEM/ODM solutions tailored to your brand requirements
Build Your Own Brand with Custom Sheet Metal Drilling Bits No Burr
- Custom Packaging Options: Color box, blister, clamshell, bulk pack — suitable for retail, wholesale, and online sales
- Straight shank / reduced shank / 1/4" hex / three flats — fit different drilling machines
- Material Selection: HSS 4241 / 4341 / 6542 / M35 / M42 — match your price and performance goals
- Low MOQ: Low MOQ from 100 pcs — help you enter the market faster
Application Notes
Discover the versatile applications and material compatibility of our products
Drilling Wood
- •These industrial precision drill bits cut wood smoothly and accurately. Sharp flute design quickly discharges wood scraps, avoiding splintering and clogging. It delivers clean, burr-free round holes, stable and reliable for all kinds of industrial woodworking tasks.
Drilling PVC
- •Precision engineered for PVC drilling, the bit features fine sharp cutting edges. It reduces drilling resistance, prevents cracking and material deformation. Fast chip removal ensures neat, smooth holes, perfect for industrial PVC pipe and profile processing..
Drilling Stainless Steel
- •Made for industrial stainless steel fabrication, the bits own high hardness and heat resistance. Optimized cutting structure lowers friction and resists overheating. It drills precisely with stable performance, creating round, burr-free holes for hard metal work.
Real Factory & Application Videos
Watch real manufacturing and field applications to verify quality, performance, and supply capability
Looking for Drill Bits That Improve Inventory Turnover?
Popular materials, practical sizes, and market-ready packaging help products move faster.
Want Drill Bits That Fit Both Retail and Industrial Channels?
Flexible specifications allow one product line to serve shops, online sellers, and industrial buyers.
Why Choose TENYU TOOL as Your Twist Drill Bit Manufacturer?
Factory-direct production, OEM customization, low MOQ, and strict inspection support global B2B buyers.
Our Production Process
From raw materials to finished products, every step is meticulously controlled to ensure superior quality and precision.
Raw Material Cutting
Heat Treatment
Coarse Grinding
Shank Grinding
Flute Edge Grinding
Fine Grinding
Double Angle
Angle Grinding
Sharping Edge
International Certifications
Our products meet the highest international standards and are certified by leading quality organizations worldwide.
RoHS Certificate
• Expiry Date:2027.10.05
ISO 9001:2015
• Expiry Date:2028.10.05
SGS Audit Report
• Expiry Date:2028.01.05
Product Spec Table
| SKU | Key Specs | Material / Coating | Packaging |
|---|---|---|---|
| 1/64"/0.5mm | 12mm Flute Length / 34mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 3/64"/1.0mm | 12mm Flute Length / 34mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 1/16"/1.5mm | 20mm Flute Length / 43mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 5/64"/2.0mm | 24mm Flute Length / 49mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 3/32"/2.5mm | 30mm Flute Length / 57mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 7/64"/3.0mm | 33mm Flute Length / 61mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 9/34"/3.5mm | 39mm Flute Length / 70mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 5/32"/4.0mm | 43mm Flute Length / 75mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 11/64"/4.5mm | 47mm Flute Length / 80mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 3/16"/5.0mm | 52mm Flute Length / 86mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 7/32"/5.5mm | 57mm Flute Length / 93mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 15/64"/6.0mm | 57mm Flute Length / 93mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 1/4"/6.5mm | 63mm Flute Length / 101mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 17/64"/7.0mm | 69mm Flute Length / 109mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 9/32"/7.5mm | 169mm Flute Length / 101mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 5/16"/8.0mm | 75mm Flute Length / 117mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 21/64"/8.5mm | 75mm Flute Length / 117mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 11/32"/9.0mm | 81mm Flute Length / 125mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 3/8"/9.5mm | 81mm Flute Length / 125mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 25/64"/10.0mm | 87mm Flute Length / 133mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 13/32"/10.5mm | 87mm Flute Length / 133mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 27/26"/11mm | 94mm Flute Length / 142mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 7/16"/11.5mm | 94mm Flute Length / 142mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 15/32"/12mm | 101mm Flute Length / 151mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 31/64"/12.5mm | 101mm Flute Length / 151mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 1/2"/13.0mm +mm | 101mm Flute Length / 151mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 17/32"/13.5mm | 108mm Flute Length / 160mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 9/16"/14.0mm | 108mm Flute Length / 160mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 37/64"/14.5mm | 114mm Flute Length / 169mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 19/32"/15.0mm | 114mm Flute Length / 169mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 39/64"/15.5mm | 120mm Flute Length / 178mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 5/8"/16.0mm | 120mm Flute Length / 178mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 21/32"/16.5mm | 125mm Flute Length / 184mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 43/64"/17.0mm | 125mm Flute Length / 184mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 11/16"/17.5mm | 130mm Flute Length / 191mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 45/64"/18.0mm | 130mm Flute Length / 191mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 47/64"/18.5mm | 135mm Flute Length / 198mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 3/4"/19.0mm | 135mm Flute Length / 198mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 49/64"/19.5mm | 140mm Flute Length / 205mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 25/32"/20.0mm | 140mm Flute Length / 205mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
Frequently Asked Questions
Everything you need to know about our products, customization options, and ordering process.
Which Are The Best Drill Bits For Steel?
HSS cobalt, titanium coated and solid carbide drill bits are the top options for drilling mild steel and hard steel.
What Is Stronger, Titanium Or Carbide Drill Bits?
Carbide drill bits feature higher hardness and heat resistance, far stronger than standard titanium coated drill bits.
What Are The Disadvantages Of Titanium Drill Bits?
Titanium coating wears off quickly under heavy load, and lacks enough strength for hardened steel and high-temperature drilling.
Will A Titanium Drill Bit Go Through Hardened Steel?
Regular titanium drill bits cannot drill hardened steel easily and will turn blunt fast under hard metal pressure.
Are Cobalt Drill Bits Stronger Than Titanium?
Yes, HSS cobalt drill bits own better hardness, heat resistance and durability than common titanium coated bits.
What Type Of Drill Bit Is Best For Stainless Steel？
M35 and M42 cobalt HSS drill bits are the most reliable choice for smooth, long-lasting stainless steel drilling.
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Trusted by businesses worldwide
See what our global partners say about our premium drilling tools and cutting solutions.
"We Apply Drill Bits For Industrial Fabrication In Daily Mass Production Of Metal Parts. High Hardness HSS Base Maintains Stable Precision, Drills Hundreds Of Workpieces Without Losing Sharpness. Uniform Batch Quality Helps Us Stabilize Production Output, Hope To Keep Permanent Cooperation."
Marc Weber
Mechanical Engineering Buyer
Austria
"We Import Industrial Fabrication Drill Bits For Local Manufacturing And Processing Factories. Complete Size Range Covers Most Industrial Drilling Demands, With Strict Quality Inspection For Every Shipment. Stable Price And Reliable Supply Make Us Continue Seasonal Bulk Orders."
Sara Nielsen
Industrial Tools Distributor
Denmark
"Our Workshop Uses Drill Bits For Industrial Fabrication On Carbon Steel And Alloy Workpieces. Smooth Spiral Flute Reduces Cutting Resistance, Improves Overall Processing Efficiency Greatly. We Are Very Satisfied With The Product Performance And Will Expand Cooperation Range."
Javier Ortega
Automotive Modification Workshop Owner
Norway
"We Apply Drill Bits For Industrial Fabrication In Daily Mass Production Of Metal Parts. High Hardness HSS Base Maintains Stable Precision, Drills Hundreds Of Workpieces Without Losing Sharpness. Uniform Batch Quality Helps Us Stabilize Production Output, Hope To Keep Permanent Cooperation."
Marc Weber
Mechanical Engineering Buyer
Austria
"We Import Industrial Fabrication Drill Bits For Local Manufacturing And Processing Factories. Complete Size Range Covers Most Industrial Drilling Demands, With Strict Quality Inspection For Every Shipment. Stable Price And Reliable Supply Make Us Continue Seasonal Bulk Orders."
Sara Nielsen
Industrial Tools Distributor
Denmark
"Our Workshop Uses Drill Bits For Industrial Fabrication On Carbon Steel And Alloy Workpieces. Smooth Spiral Flute Reduces Cutting Resistance, Improves Overall Processing Efficiency Greatly. We Are Very Satisfied With The Product Performance And Will Expand Cooperation Range."
Javier Ortega
Automotive Modification Workshop Owner
Norway
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